GOST 28109-89

Plant protection. Requirements to production of agents of biological control and other useful organisms

Sealing devices of screw joints with round cross-section rubber rings. Fluoroplastic washers. Construction and dimensions

Lung ventilators. Part 3. Particular requirements for emergency and transport ventilators

Natural rubber latex concentrate. Determination of dry rubber content

State system for ensuring the uniformity of measurements. Mountings for verification of measuring instruments expenditure and volume of water calibrating with the transformations (the meters ) of expenditure and (or) volume of water. General metrological and technical requirements

Organic fertilizers. Method for determination of natural radioactive nuclei